fix: validate overseas handover before settlement

firstleg/src/test/java/com/baiyue/firstleg/service/LoadingPickServiceTest.java

@@ -966,6 +966,33 @@ class LoadingPickServiceTest {
         verify(loadingListService, never()).publishCompletedEvent(anyLong());
     }
 
+    @Test
+    void unpublishableCrossRegionSnapshotFailsBeforeAnyOwnerSettlement() {
+        LoadingPickTaskEntity completing = task();
+        completing.setTaskStatus("COMPLETING");
+        when(repository.task(20L)).thenReturn(completing);
+        when(repository.inboundOwners(20L)).thenReturn(List.of(
+            new LoadingPickItemMapper.InboundOwner(101L, 50L),
+            new LoadingPickItemMapper.InboundOwner(101L, 60L)));
+        doThrow(new BizException(com.baiyue.common.core.api.ResultCode.CONFLICT,
+            "一件代发现场托盘箱唛数与实装箱数不一致"))
+            .when(loadingListService).requireCompletedEventReady(10L);
+
+        assertThatThrownBy(() -> service.processCompletion(
+            completionCommand(905L, "async-unpublishable"), "worker-unpublishable"))
+            .isInstanceOf(LoadingPickService.CompletionProcessingException.class)
+            .satisfies(error -> assertThat(((LoadingPickService.CompletionProcessingException) error).stage())
+                .isEqualTo("COMPLETED_EVENT_READY"));
+
+        verify(settlementService, never()).settleOwner(anyLong(), anyLong(), anyLong(), anyString());
+        verify(loadingDeliveryService, never()).completeAfterPdaSettlement(anyLong(), anyLong(), anyLong(),
+            anyString(), anyString(), anyString());
+        verify(completionCommands, never()).checkpoint(anyLong(), anyLong(), anyLong(), anyInt(), anyString());
+        verify(repository, never()).insert(any(LoadingPickOperationEntity.class));
+        verify(loadingListService, never()).finishFromPda(anyLong(), anyLong(), anyLong(), anyString());
+        verify(loadingListService, never()).publishCompletedEvent(anyLong());
+    }
+
     @Test
     void workerRestartResumesFromOwnerCheckpointsWithoutRepeatingSettlements() {
         assertNoTruckCoupling();